"Tio estas ligna tegmento."

Translation: That is a wooden roof.

[FredCapp]

Malbona afero nuntempe en Kalifornio.

[Rippler]

Tio preskaŭ ĉie malbonas…

[Owen5076]

Why not arbaĵo?

[Vabelie]

https://vortaro.net/#arba%C4%B5o_kd

Axed or fallen trees or parts of shrubs.

Beside, even if you would want to read the word as "tree product", wood is far from the only one: fruit, cork, leaves as animal fodder, buds for gemmotherapy…

sfuspvwf npj